1 Peter 1:7

The sorrow comes in order that the testing of your faith--being more precious than that of gold, which perishes and yet is proved by fire--may be found to result in praise and glory and honour at the re-appearing of Jesus Christ.

1 Peter 4:12

Dear friends, do not be surprised at finding that that scorching flame of persecution is raging among you to put you to the test--as though some surprising thing were accidentally happening to you.

Treasury of Scripture Knowledge

Summary

The bellows are burned, the lead is consumed of the fire; the founder melteth in vain: for the wicked are not plucked away.

Bible References

The founder

1 Peter 1:7
The sorrow comes in order that the testing of your faith--being more precious than that of gold, which perishes and yet is proved by fire--may be found to result in praise and glory and honour at the re-appearing of Jesus Christ.
1 Peter 4:12
Dear friends, do not be surprised at finding that that scorching flame of persecution is raging among you to put you to the test--as though some surprising thing were accidentally happening to you.